SEGMENT INFORMATION - Profitability (Details) (USD $)
In Millions, unless otherwise specified
3 Months Ended
Jan. 31, 2015
Jan. 31, 2014
Segment Reporting [Abstract]    
Number of operating segments 3  
Select Income Statement Components    
Total net revenue $ 1,026 $ 1,008
Income from operations 115 124
Life Sciences and Applied Markets    
Select Income Statement Components    
Total net revenue 547 537
Income from operations 107 105
Diagnostics and Genomics    
Select Income Statement Components    
Total net revenue 148 157
Income from operations 1 19
Agilent CrossLab    
Select Income Statement Components    
Total net revenue 331 314
Income from operations 68 69
Segment Total    
Select Income Statement Components    
Total net revenue 1,026 1,008
Income from operations $ 176 $ 193